feat: add GPX file handling and GeoJSON integration in adventure page; update dependencies and AttachmentCard component

frontend/src/routes/gpx/[file]/+server.ts

@@ -0,0 +1,22 @@
+const PUBLIC_SERVER_URL = process.env['PUBLIC_SERVER_URL'];
+const endpoint = PUBLIC_SERVER_URL || 'http://localhost:8000';
+
+/** @type {import('./$types').RequestHandler} */
+export async function GET(event) {
+	let sessionid = event.cookies.get('sessionid');
+	let fileName = event.params.file;
+	let res = await fetch(`${endpoint}/media/attachments/${fileName}`, {
+		method: 'GET',
+		headers: {
+			'Content-Type': 'application/json',
+			Cookie: `sessionid=${sessionid}`
+		}
+	});
+	let data = await res.text();
+	return new Response(data, {
+		status: res.status,
+		headers: {
+			'Content-Type': 'application/xml'
+		}
+	});
+}